Class II div 1
,
Deep bite
,
Asymmetric arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Distalization
,
Intrusion
,
Retraction
,
First premolar extraction
,
Elastics: Class II in Additional Aligners
,
Elastics: vertical
Courtesy of Dr. S. Okano, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 22
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 15 months

Number of aligners

  • Maxillary: 68 + 22 = 90
  • Mandibulary: 65 + 22 = 87

Aligner Wear time

  • 5 days

Retention

  • Maxillary: Invisalign aligner
  • Mandibular: Invisalign aligner

Results achieved

  • Class I relationship achieved
  • Class II relationship maintained
  • Functional canine guidance on both sides
  • Normal overjet and overbite achieved
  • Significant improvement ofoverbite
  • Midlines coincident
  • Proper axial inclination of incisors
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Through the extraction of first premolars, we resolved the crowding in both upper and lower arches and corrected the upper and lower dental midline
  • Distalization on the lower left molars to achieve Class II relationship
  • In the additional aligners, sequential distalization was performed to improve Class II
  • We continued using Class II elastics (3/16 inch, 4.5 or 6.5 OZ) in the additional aligners
  • Precision bite lamp was effective in preventing the vertical bowing effect of the anterior teeth
  • Vertical elastics were used on the left molar for detailing

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left

Progress

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upper
lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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